How To Fix CMS184 - Validity Period of Signature Expired

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 184

• Message text: Validity Period of Signature Expired

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMS184 - Validity Period of Signature Expired ?

  The SAP error message CMS184, which states "Validity Period of Signature Expired," typically occurs in the context of digital signatures and security in SAP systems. This error indicates that the digital signature associated with a document or transaction has expired, meaning that the signature is no longer considered valid due to the expiration of its validity period.
  Cause:
  
  Expired Digital Certificate: The most common cause is that the digital certificate used to create the signature has expired. Digital certificates have a defined validity period, and once this period elapses, the signature becomes invalid.
  Incorrect System Date/Time: If the system date and time are not set correctly, it may lead to misinterpretation of the validity period of the signature.
  Configuration Issues: There may be issues with the configuration of the digital signature settings in the SAP system.
  
  Solution:
  
  Renew the Digital Certificate: If the digital certificate has expired, you will need to renew it. This typically involves generating a new certificate and ensuring it is properly installed in the SAP system.
  Check System Date/Time: Ensure that the system date and time are set correctly. If the system clock is incorrect, it can lead to issues with the validity of signatures.
  Update Configuration: Review the configuration settings related to digital signatures in the SAP system. Ensure that all settings are correct and that the system is configured to recognize valid certificates.
  Re-sign the Document: If possible, re-sign the document or transaction with a valid digital certificate.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to your version of SAP and the context in which the error occurs.
  
  Related Information:
  
  Digital Signatures in SAP: Digital signatures are used in SAP to ensure the authenticity and integrity of documents and transactions. They rely on public key infrastructure (PKI) and digital certificates.
  Certificate Management: SAP systems often use the SAP Cryptographic Library for managing digital certificates. Familiarity with this library and its configuration can be beneficial.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Security Policies: Ensure that your organization’s security policies regarding digital signatures and certificates are being followed.
  
  If the issue persists after trying the above solutions, it may be necessary to engage with SAP support or your internal IT team for further assistance.